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Deprecated: Implicit conversion from float 209.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Curr+Biol 2009 ; 19 (24): R1126-32 Nephropedia Template TP
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Establishment of Sister Chromatid Cohesion Minireview #MMPMID20064425
Skibbens RV
Curr Biol 2009[Dec]; 19 (24): R1126-32 PMID20064425show ga
The process of sister chromatid pairing, or cohesion establishment, is coupled to DNA replication and fundamental to proper chromosome segregation and cell viability. In the past year, several articles have provided important new insights into cohesion establishment, an activity predicated on the acetyltransferase Ctf7/Eco1. Here, I review new findings that the conversion of chromatid-bound cohesins into a cohesion-competent state involves Ctf7/Eco1-mediated acetylation of the cohesin subunit Smc3. These studies further explore an anti-establishment activity that involves the binding of accessory factors WAPL/Rad61 and Pds5 to the cohesin subunit Scc3/Irr1. The anti-establishment activity of WAPL/Rad61 and Pds5 is temporarily relaxed by Ctf7/Eco1 during S phase to promote sister chromatid pairing. These findings are likely to be of clinical relevance, given the role of cohesion pathways in a wide range of disease states.